Sökning: "wetland degradation"

Visar resultat 1 - 5 av 18 uppsatser innehållade orden wetland degradation.

  1. 1. What has happened on Swedish mires? The effects of drainage on vegetation changes over recent decades

    Master-uppsats, Uppsala universitet/Institutionen för biologisk grundutbildning

    Författare :Anna Ljungqvist; [2022]
    Nyckelord :peatlands; mires; bogs; fens; sweden; vegetation; plant ecology; time trend; data; nfi; nils; climate change; global warming; mosses; sphagnum; afforestation; trees; wetland; presence; coverage; drainage; ditch;

    Sammanfattning : As they are not only the home of many threatened species, but also one of the main actors in the global carbon cycle, peatlands are highly valuable ecosystems. Human disturbance, in particular drainage for forestry and agriculture, has substantially changed the state of the world’s peatlands and will continue to do so. LÄS MER

  3. 2. Influence of permafrost disintegration on wetland carbon fluxes in Abisko, Sweden

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Aida Esmailzadeh Davani; [2021]
    Nyckelord :Physical Geography; Ecosystem Analysis; Permafrost; CH4 flux; CO2 flux; Abisko; Wetlands; Earth and Environmental Sciences;

    Sammanfattning : The northern permafrost regions are experiencing a rapid warming as surface temperatures are rising, causing a disintegration of permafrost and a deepening of the active layer (AL). This releases previously frozen carbon, making it available for decomposition by microbes. LÄS MER

  4. 3. Swedish wetlands and their role in helping Sweden reach domestic climate neutrality by 2045

    Kandidat-uppsats, Stockholms universitet/Institutionen för naturgeografi

    Författare :Niki Giarimi; [2020]
    Nyckelord :;

    Sammanfattning : Wetlands are among the most productive ecosystems on earth, in particular when it comes to long- term storage of carbon. Their unique conditions of saturated soils and vegetation cover have resulted in them playing an important role in the regulation of atmospheric greenhouse gases such as carbon dioxide and methane. LÄS MER

  5. 4. Mobility, habitat selection and population connectivity of Lycaena helle in central Sweden : implications for conservation

    Master-uppsats, SLU/Dept. of Ecology

    Författare :Hanna Modin; [2018]
    Nyckelord :Lycaena helle; violet copper; Lepidoptera; Lycaenidae; mobility; dispersal; resource selection function; habitat selection; connectivity; metapopulation; stepping stone;

    Sammanfattning : Lycaena helle is an endangered butterfly that is mainly threatened by habitat degradation and fragmentation. For all species with a fragmented distribution, knowledge about mobility, habitat requirements and connectivity is key to developing successful conservation strategies. LÄS MER

  7. 5. Biodegradation of organic micropollutants dibutyl phthalate and bisphenol A by fungi

    Master-uppsats, SLU/Department of Molecular Sciences

    Författare :Lena Carstens; [2018]
    Nyckelord :micropollutant; dibutyl phthalate; bisphenol A; fungi; biodegradation; biosorption; endocrine disrupting chemical;

    Sammanfattning : Fungi represent a promising and relatively untapped resource in regard to the bioremediation of micropollutants. Degradation efficiencies of the ubiquitous endocrine disrupting chemicals dibutyl phthalate (DBP) and bisphenol A (BPA) by selected fungal strains with different ecophysiologies were determined via ultra performance liquid chromatography (UPLC). LÄS MER